Statement I: Magnetic field lines can be entirely confined within the core of a toroid but not within a straight solenoid.
Statement II: The magnetic field inside the solenoid is non-uniform.
In the light of the above statements, choose the most appropriate answer from the options given below.
Text Solution
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Statement I is correct but Statement II is incorrect.
Magnetic field lines can be totally confined to the core of toroid because toroid has no ends. It can confine the field within its core. A straight solenoid has two ends. If the entire flux were confined between these ends, the flux throughout the cross-section at each end would be non-zero.
The magnetic field inside the solenoid is uniform.
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